Looking for new apps to try out? Check out UZU! It's just $1.99 in the app store. Check out the video above to see it in action.
Technically speaking, Uzu is a kinetic multitouch particle visualizer....

This is a competitor to the Brushes app. The biggest thing it does not appear to have is the ability to record the drawing as it is created.
A few highlights:
Create 16 layers
Access 100 redo/undo states
Create...